Patch tracker / Products / Azure Stack HCI OS 22H2

Azure Stack HCI OS 22H2: vulnerabilities and security updates

Every CVE affecting Azure Stack HCI OS 22H2 and the Microsoft update (KB) that fixes it, ranked by real-world risk. Actively exploited (CISA KEV) first, then EPSS exploit probability, on top of CVSS severity.

CVEs
77
Updates (KBs)
1
Actively exploited (KEV)
1
Critical Severity
0

CVEs affecting Azure Stack HCI OS 22H2

CVESeverityCVSSEPSSStatus
CVE-2025-29824High7.814%KEVRansomware
CVE-2025-26664High8.814%-
CVE-2025-26669High8.814%-
CVE-2025-26667High8.814%-
CVE-2025-26681High8.814%-
CVE-2025-27471High8.814%-
CVE-2025-27474High8.814%-
CVE-2025-27477High8.814%-
CVE-2025-27740High8.814%-
CVE-2025-27742High8.814%-
CVE-2025-21197High8.814%-
CVE-2025-21205High8.814%-
CVE-2025-21203High8.814%-
CVE-2025-21221High8.814%-
CVE-2025-21222High8.814%-
CVE-2025-26635High8.814%-
CVE-2025-26647High8.814%-
CVE-2025-26651High8.814%-
CVE-2025-26672High8.814%-
CVE-2025-26676High8.814%-
CVE-2025-27481High8.814%-
CVE-2025-27735High8.814%-
CVE-2025-27736High8.814%-
CVE-2025-27738High8.814%-
CVE-2025-29808High8.814%-
CVE-2025-27737High8.614%-
CVE-2025-26678High8.414%-
CVE-2025-26663High8.114%-
CVE-2025-26670High8.114%-
CVE-2025-26671High8.114%-
CVE-2025-27480High8.114%-
CVE-2025-27482High8.114%-
CVE-2025-27487High8.014%-
CVE-2025-26666High7.814%-
CVE-2025-26688High7.814%-
CVE-2025-24074High7.814%-
CVE-2025-24073High7.814%-
CVE-2025-21204High7.814%-
CVE-2025-24058High7.814%-
CVE-2025-26639High7.814%-
CVE-2025-26648High7.814%-
CVE-2025-26674High7.814%-
CVE-2025-26675High7.814%-
CVE-2025-26679High7.814%-
CVE-2025-27489High7.814%-
CVE-2025-27490High7.814%-
CVE-2025-27727High7.814%-
CVE-2025-27731High7.814%-
CVE-2025-27739High7.814%-
CVE-2025-29812High7.814%-
CVE-2025-24060High7.814%-
CVE-2025-24062High7.814%-
CVE-2025-26668High7.514%-
CVE-2025-26680High7.514%-
CVE-2025-26686High7.514%-
CVE-2025-26687High7.514%-
CVE-2025-27470High7.514%-
CVE-2025-27473High7.514%-
CVE-2025-27479High7.514%-
CVE-2025-21174High7.514%-
CVE-2025-26641High7.514%-
CVE-2025-26652High7.514%-
CVE-2025-26673High7.514%-
CVE-2025-27469High7.514%-
CVE-2025-27485High7.514%-
CVE-2025-27484High7.514%-
CVE-2025-27486High7.514%-
CVE-2025-29810High7.514%-
CVE-2025-27491High7.114%-
CVE-2025-29809High7.114%-
CVE-2025-26665High7.014%-
CVE-2025-27478High7.014%-
CVE-2025-21191High7.014%-
CVE-2025-26649High7.014%-
CVE-2025-27492High7.014%-
CVE-2025-27732High7.014%-
CVE-2025-26637Medium6.814%-

Updates (KBs) for Azure Stack HCI OS 22H2

UpdateReleasedSeverityCVSSEPSSCVEsStatus
KB50555262025-04-08High8.814%77KEVRansomware

Ranked across all products on the Microsoft patch tracker and the CVE and vulnerability management reference. Browse every product: product index.

Most searched on Senserva right now

KB5122876 install notes and severity KB5126052: the full CVE list KB5122882: patch details KB5123099: the full CVE list KB5120708 download and what it fixes KB5122871 install notes and severity KB5129235 install notes and severity KB5122878: patch details KB5120238 download and what it fixes KB5129238 download and what it fixes
New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
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